\documentclass{beamer}
\usepackage{ctex}
\usepackage{graphicx}
\usetheme{Madrid}
    
\author{uncle-lu}
\institute{乌鲁木齐市第一中学}
\title{Union-Find Set Problem List}
\date{\today}

\begin{document}

    \frame{\titlepage}
    
    \begin{frame}{题目列表}
    
    \begin{itemize}
        \item BZOJ2303
        \item BZOJ1998
        \item BZOJ1370
        \item BZOJ1015
        \item vijos1250
        \item tyvj1460
    \end{itemize}
    
    \end{frame}
    
\end{document}